EP 1087533 A1 20010328 - METHOD AND APPARATUS FOR MAKING CODE BOOK, VECTOR QUANTIZING DEVICE, DEVICE AND METHOD FOR DATA COMPRESSION, DEVICE AND METHOD FOR DATA DECOMPRESSION, SYSTEM FOR DATA COMPRESSION/DECOMPRESSION
Title (en)
METHOD AND APPARATUS FOR MAKING CODE BOOK, VECTOR QUANTIZING DEVICE, DEVICE AND METHOD FOR DATA COMPRESSION, DEVICE AND METHOD FOR DATA DECOMPRESSION, SYSTEM FOR DATA COMPRESSION/DECOMPRESSION
Title (de)
VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG EINES CODEBUCHES, EINER VEKTORQUANTISIERUNGSVORRICHTUNG, EINER VORRICHTUNG UND EINES VERFAHRENS ZUR DATENKOMPRIMIERUNG, EINER VORRICHTUNG UND EINES VERFAHRENS ZUR DATENDEKOMPRIMIERUNG, EINES SYSTEMS FÜR DATENKOMPRIMIERUNG/DEKOMPRIMIERUNG
Title (fr)
PROCEDE ET APPAREIL PERMETTANT DE CONSTITUER UNE TABLE DE CODAGE, DISPOSITIF DE QUANTIFICATION DE VECTEUR, DISPOSITIF ET PROCEDE DE COMPRESSION DE DONNEES, DISPOSITIF ET PROCEDE DE DECOMPRESSION DE DONNEES, SYSTEME DE COMPRESSION/DECOMPRESSION DE DONNEES
Publication
Application
Priority
- JP 9902050 W 19990419
- JP 12428398 A 19980417
- JP 18951698 A 19980703
- JP 20836598 A 19980723
- JP 30980898 A 19981030
Abstract (en)
With reference to one or more pieces of data (for example, the data at the left end in a block of 4 x 4 pixels) in a data string constituting one code vector in a code book, a code vector is generated by giving a value which increases in an increment of a predetermined value from the reference data value K to each piece of the other data in the block. A greatly versatile code book can be made at least for data on a pattern, for example, a face image, whose data value gradually varies by a small change. <IMAGE> <IMAGE>
IPC 1-7
IPC 8 full level
G06T 9/00 (2006.01); H03M 7/30 (2006.01); H04N 1/41 (2006.01)
CPC (source: EP)
G06T 9/008 (2013.01); H03M 7/3082 (2013.01); H04N 19/94 (2014.11)
Citation (search report)
See references of WO 9955007A1
Designated contracting state (EPC)
DE FR GB NL SE
DOCDB simple family (publication)
DOCDB simple family (application)
JP 9902050 W 19990419; EP 99913695 A 19990419